The Hydra

Marvel, Greek mythology monster

Also known as

Appearances

The Avengers #43 — 1967-08-00
The Avengers #44 — 1967-09-00
Incredible Hercules #113 — 2008-02-00
Red Hulk: Haunted #[nn] — 2012-07-25
Black Widow Epic Collection #1 — 2019-00-00